Home / 90,623.66-135,935.58-34,450.58

Finding the Fourth Proportional to 90,623.66, 135,935.58 and 34,450.58

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Solution

The fourth proportional to 90,623.66, 135,935.58 and 34,450.58 is: 51,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,623.66 : 135,935.58 = 34,450.58 : x
  2. Step 2: Convert to fraction form
    90,623.66/135,935.58 = 34,450.58/x
  3. Step 3: Cross multiply
    90,623.66x = 135,935.58 × 34,450.58
  4. Step 4: Simplify right side
    90,623.66x = 4,683,059,573.64
  5. Step 5: Solve for x
    x = 4,683,059,573.64/90,623.66
  6. Step 6: Final answer
    x = 51,675.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.